Enclave of the Lurrh

Enclave of the Lurrh enters the battlefield with
three +1/+1 counters on it.
{t}, remove a +1/+1 counter from a creature you control: Add one mana of any type that a land you control could produce.
At the beginning of your endstep, if you control
no creatures with counters on them, put a +1/+1 counter on each creature you control.